ST1 / ST25 Metallic AODD Containment Duty Ball Metallic Pump | Sandpiper

Containment Duty Metallic and Non-Metallic Pumps are ideal for highly corrosive and hazardous chemical fluid requirements. All containment duty pumps are exclusively designed with containment chambers, hydraulically balanced/coupled pumping diaphragm and driver diaphragm assemblies. All containment chambers are designed to accommodate visual, mechanical and low voltage leak detection devices. CD pumps are constructed of Aluminum, Cast Iron, Stainless Steel, Alloy C, Polypropylene and PVDF with TPE (thermal plastic elastomers), PTFE options in diaphragms and check valves.


Port Size
ST1: 1” NPT (Internal)
ST25: 1” BSP (Tapered)
0 to 42 gpm (159 lpm)
Air Distribution Valve
No-lube, no-stall design
Up to .25″ (6.3 mm)
Heads Up To
125 psi or 289 ft. of water (8.6 bar or 88 meters)
.09 gallons (.34 liters)
Max Operating Pressure
125 psi (8.6 bar)
Shipping Weight
Aluminum: 46 lbs. (20 kg)
Stainless Steel: 67 lbs. (30 kg)

Click here for Containment Pump Data Sheet.